1759, "break to pieces," earlier "kick downstairs" (c. 1700), probably of imitative origin (compare smack (v.), mash (v.), crush (v.)). Meaning "act with crushing force" is from 1813; that of "strike violently" is from 1835. Tennis sense is from 1882. Smash-and-grab (adj.) is first attested 1927.[smash etymology, smash origin, 英语词源]